Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Blodgett Combi BC14E
Summary of Contents for Blodgett Combi BC14E
- Page 1 BC14E AND BC14G COMBINATION OVEN STEAMER SERVICE AND REPAIR MANUAL BLODGETT COMBI www.blodgett.com 50 Lakeside Avenue, Box 586, Burlington, Vermont 05402 USA Telephone (800) 331-5842, (802) 860-3700 Fax: (802)864-0183 PN R10251 Rev A (1/02) E 2002 --- Blodgett Combi...
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Page 2: Table Of Contents
TABLE OF CONTENTS Section 1 BC14G Installation Installation Specifications/Information ........1---1 Oven Location . - Page 3 TABLE OF CONTENTS Section 8 BC14E Troubleshooting BC14E Troubleshooting Guide ........8---1 BC14E Safety Limits Flow Chart .
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Page 4: Bc14G Installation
CHAPTER 1 BC14G INSTALLATION... -
Page 5: Installation Specifications/Information
BC14G INSTALLATION SPECIFICATIONS/INFORMATION Before starting to troubleshoot an oven, verify the MAXIMUM SHELF LOADING oven has been installed correctly. The installation of the electric and gas connections must be performed BC14G 100 lbs (45.5 Kg) by a qualified installer only. The installation must con- form to all local and national installation standards. - Page 6 INSTALLATION RATINGS -- GAS APPLIANCES -- BC14G/AA Gas Type Gas Input Voltage Phase Amps Motor 208-240 1/2HP 208-240VAC, 50/60 Hz Natural Steam --- 55,000 BTU/Hr Hot Air Hot Air --- 65,000 BTU/Hr 65 000 BTU/Hr 1/2HP 208-240VAC, 50/60 Hz Total --- 115,000 BTU/Hr 208-240 1/2HP 208-240VAC, 50/60 Hz Propane...
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Page 7: Oven Location
BC14G OVEN LOCATION Left Side Heat Shield Certain minimum clearances must be maintained between the oven and any combustible or non- Heat sources should not be near the air vents lo- combustible construction. See the following table. cated on the left hand side of the gas appliance. The following clearances are recommended for Consult the factory for optional protective side heat servicing. -
Page 8: Stacking
R9570. An optional drain pliance. plumbing manifold may be purchased 3. Place the top appliance on the bottom ap- from Blodgett Combi. Order part number pliance. Be sure all four sides are flush. R9381 for single or top ovens. Steam... -
Page 9: Plumbing Connections
BC14G PLUMBING CONNECTIONS WATER CONNECTION DRAIN CONNECTION Connect the appliance to quality water (refer to The waste drain assembly must be constructed of specs below) via a pressure hose with 3/4” (19mm) 2-inch copper and be atmospherically vented. The couplings. The water pressure needs to be be- venting must have a riser so the steam vents above tween 30 psi (min) and 50 psi (max). -
Page 10: Door Adjustments
INSTALLATION DOOR ADJUSTMENTS NOTE: When making door adjustments, always B.) Tap the hinge in or out as needed. Keep the adjust the hinge side first. hinges parallel as shown in FIGURE 4C. 1. Swing the door so it just hits or runs into the catch C.) Tighten the three allen head bolts. - Page 11 BC14G FINE TUNING A DOOR GASKET Use the following procedure if the door shuts well in both hot air and steam, but, you still have a little steam leaking from the door gasket: 1. Make a note where the steam is leaking. 2.
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Page 12: Operation And Maintenance
CHAPTER 2 OPERATION AND MAINTENANCE... -
Page 13: Standard Controls
BC14G AND BC14E STANDARD CONTROLS CONTROLS IDENTIFICATION 1. MODE SELECTOR SWITCH --- turns power to the oven on or off. Allows selection of Steam, Hot Air, Combi or Cool Down Modes. 2. TEMPERATURE DIAL --- used to set the cook- ing temperature in all modes. -
Page 14: Optional Meat Probe
OPERATION AND MAINTENANCE OPTIONAL MEAT PROBE CONTROLS IDENTIFICATION 1. Set the MODE SELECTOR Switch to the de- sired function. 1. MEAT PROBE SWITCH --- controls power to 2. Turn the MEAT PROBE Switch (1) to ON. the meat probe. 3. To set the desired core temperature press and 2. -
Page 15: Deliming
BC14G AND BC14E DELIMING 10. Wait 1/2 to 1 hour. WARNING!! 11. Move the deliming switch to the RUN position. Deliming solutions are hazardous and The appliance will automatically flush the can cause burns to the skin and eyes. steam generator for 90 seconds. Wear protective clothing and eyewear 12. -
Page 16: Bc14G Troubleshooting
CHAPTER 3 BC14G TROUBLESHOOTING... -
Page 17: Bc14G Troubleshooting Guide
BC14G BC14G TROUBLESHOOTING GUIDE In the following troubleshooting guide, the sche- 3. Check the mode switch. See FIGURE 1. matic is broken down into areas. This allows the 4. Check the S2 door switch. See FIGURE 1, oven to be checked in sections. location (D). - Page 18 TROUBLESHOOTING 8. Check that R204 contacts 9 to 1 are closed. 3. Check relay R202 coil and contacts. See See FIGURE 3, location (E). FIGURE 5. NO FLUSH / DRAIN MODE / MANUAL OR AUTO 9. Check that R202 contacts 1 to 9 are closed. See FIGURE 3, location (F).
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Page 19: Bc14G Incoming Power Check
BC14G BC14G INCOMING POWER CHECK Optional 120V Input power F2 10A F1 10A Slow Blow Slow Blow 1 KVA Thermally protected to 160_C Delime 662_F (350_C) Mode Switch Power on Buzzer Steam 5.6K Hot air Combi TIMER--- S5 Door Switch Mode Switch Steam Hot air... -
Page 20: Bc14G Hot Air Flow Chart
TROUBLESHOOTING BC14G HOT AIR FLOW CHART S1#12 Mode Switch Temp Controller Contacts R205 closed for heat XFMR1 THS2 24VAC SPARK SENSE4 Hot Air IGN1 THS2 SPARK SENSE4 Combination valve Hot Air IGN2 FIGURE 2 3---4... -
Page 21: Bc14G Steam Flow Chart/Water Fill
BC14G BC14G STEAM FLOW CHART/WATER FILL S1#8 S1#6 Mode Switch Temp Controller R205 coil Contacts demand on closed for steam Contacts R205 closed for heat R205 Hot water fill XFMR1 R204 THS2 24VAC R202 SPARK M/R Steam High limit SENSE4 Steam Steam Steam... -
Page 22: Bc14G Combi Flow Chart
TROUBLESHOOTING BC14G COMBI FLOW CHART S1#18 S1#20 Mode Switch Combi timer 25% Duty Temp Controller Contacts R204 open when filling Heat R205 XFMR1 THS2 R202 24VAC SPARK SENSE4 M/R Steam High limit Steam Steam Steam Steam Steam XFMR1 XFMR1 XFMR1 XFMR1 XFMR1 Hot Air IGN1... -
Page 23: Bc14G On Demand Steam Flow Chart
BC14G BC14G ON DEMAND STEAM FLOW CHART S1#20 S1#20 S1#12 Mode Switch On demand steam button Timer Contacts closed R204 On demand R202 Contacts R202 steam. coil closed for steam F6 M/R Steam High limit F6 M/R Steam High limit F6 M/R Steam High limit F6 M/R Steam High limit F6 M/R Steam High limit... -
Page 24: Bc14G Flush Flow Chart
TROUBLESHOOTING BC14G FLUSH FLOW CHART Optional 120V Input power Slow Blow Slow Blow 1 KVA Thermally protected to 160_C Delime S15 Flush disable Open at 180_F (82_C) Close at 160_F (71_C) R206 R206 S12 Flush Drain Switch R203 coil R203 R203 T 90 sec R204... -
Page 25: Bc14G Water Fill/Meat Probe/Condensate/Cooling Fan
BC14G BC14G WATER FILL/MEAT PROBE/CONDENSATE/COOLING FAN S1#4 S1#10 S1#22 P4 quench Open 140_F (60_C) Close 167_F (75_C) Quench Cooling Fan 2 amp fuse 208V R204 R204 XFMR Hot Water Slow Fill Fast Fill FIGURE 7 3---9... -
Page 26: Bc14G Drain Assembly
TROUBLESHOOTING BC14G DRAIN ASSEMBLY Vent Drain EC/FAN Flue Flue Flue WATER INPUT MOTOR COVER TOP UNIT STEAM FLUE DRAIN Drain EC/FAN is supplied by customer WATER INPUT MOTOR COVER BOTTOM UNIT DRAIN Drip pan drain NOTE: Connection is not vented to drain. -
Page 27: Bc14G Flue Assembly
BC14G BC14G FLUE ASSEMBLY EC/FAN Flue Flue Flue Flue WATER INPUT MOTOR COVER TOP UNIT STEAM FLUE DRAIN EC/FAN WATER INPUT MOTOR COVER BOTTOM UNIT DRAIN FIGURE 9 3---11... -
Page 28: Bc14G Timer Settings
TROUBLESHOOTING BC14G TIMER SETTINGS Remove dial section TOP VIEW meter SIDE Dial VIEW SIDE VIEW Inside if dial section A) Top view of Timer. NOTE: The L & R there are two timer adjustments per timer. B) Side view of timer. C) Side view with dial section removed. -
Page 29: Bc14G Schematics
CHAPTER 4 BC14G SCHEMATICS... -
Page 30: Bc14G
BC14G BC14G FIGURE 1 4---1... -
Page 31: Bc14G For Ce
SCHEMATICS BC14G FOR CE FIGURE 1 4---2... - Page 32 BC14G This page intentionally left blank. 4---3...
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Page 33: Pre-Site Visit Questions
CHAPTER 5 PRE-SITE VISIT QUESTIONS... -
Page 34: Troubleshooting Sequence
BC14G AND BC14E TROUBLESHOOTING SEQUENCE HOT AIR MODE ALWAYS troubleshoot a Synergy oven in the fol- lowing sequence; NO operation with the mode switch in the HOT 1. Cool Down AIR mode. 2. Hot Air 1. Does the green power on light on the top right corner of the control panel come “ON”... - Page 35 COMPONENT IDENTIFICATION STEAM MODE COMBI MODE NO operation with the mode switch in the NO operation with the mode switch in the COMBI STEAM mode. mode. 1. Is the water on to the oven? 1. Does the green power on light on the top right corner of the control panel come “ON”...
- Page 36 BC14G AND BC14E This page intentionally left blank. 5---3...
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Page 37: Component Identification Component Identification
CHAPTER 6 COMPONENT IDENTIFICATION... - Page 38 BC14G AND BC14E COMPONENT IDENTIFICATION The following is a key for the abbreviations of com- tion: Input 24Vac to THS2 & GND. SPARK out- ponents on the schematic. Additional information puts to pilot assembly and sparks. PV1 out- is provided as to the function of the component to puts to pilot valve &...
- Page 39 COMPONENT IDENTIFICATION 24. M – Convection motor. 1/2 hp , 208V / 115V 37. Resister (designated as “5.6Ka”) -- Resister in convection motor. Has an internal self-reset- series with the buzzer to drop voltage to the ting thermal overload at 250_F. buzzer to allow for long periods of operation.
- Page 40 BC14G AND BC14E 42. (ELECTRIC OVENS) -- R202 – On demand 46. (GAS OVENS) -- R205 --- Steam Override steam relay Relay Coil is terminals 13 & 14. Coil is energized Coil is terminals 13 &14. Coil is energized by One shot Steam timer, T3 terminal 2. by S1 Mode switch terminal 8 when turned to the Steam Mode.
- Page 41 COMPONENT IDENTIFICATION 60. (ELECTRIC OVENS) -- Transformer (desig- 52. S9 – One Shot Steam Button. Pressing the but- ton in any mode applies power to terminal 2 of nated as “480V / 240V 150VA”) – step down T3 One Shot Steam Solid State Timer and initi- transformer for 480V electric ovens only (trans- ates the steam circuit for the set time.
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Page 42: Component Location Diagrams
BC14G AND BC14E COMPONENT LOCATION DIAGRAMS REAR VIEW DRAIN BC14G COMPONENT LOCATIONS FIGURE 1 6---5... - Page 43 COMPONENT IDENTIFICATION On Bottom Tray REAR VIEW 21 33 34 DRAIN BC14E COMPONENT LOCATIONS FIGURE 2 6---6...
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Page 44: Bc14E Schematics
CHAPTER 7 BC14E SCHEMATICS... -
Page 45: Bc14E
BC14E BC14E FIGURE 1 7---1... -
Page 46: Bc14E For Ce
TROUBLESHOOTING BC14E FOR CE FIGURE 1 7---2... -
Page 47: Bc14E Troubleshooting
CHAPTER 8 BC14E TROUBLESHOOTING... -
Page 48: Bc14E Troubleshooting Guide
BC14E BC14E TROUBLESHOOTING GUIDE In the following troubleshooting guide, the sche- 2. Check the F3 oven high limit. See FIGURE 1, matic is broken down into areas. This allows the location (B). oven to be checked in sections. 3. Check the mode switch. See FIGURE 1. When troubleshooting, slide the control panel out 4. - Page 49 TROUBLESHOOTING 6. Check that relay R205 contacts 9 to 5 are NO FLUSH / DRAIN MODE / MANUAL OR AUTO closed. Check coil and contacts for proper op- The T4 flush/drain solid state timing relay is ener- eration. See FIGURE 3, location (C). gized when the P11 flush disable snap-disk is 7.
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Page 50: Bc14E Safety Limits Flow Chart
BC14E BC14E SAFETY LIMITS FLOW CHART Noise Filter Open at 176_F (80_C) Close at 149_F (65_C) Power on Delime 662_F (350_C) Mode Switch Buzzer 5.6K team Hot air --- 7 Combi TIMER--- S5 Door Switch Fan speed Speed Control Motor Mode Switch Cool Down... -
Page 51: Bc14E Hot Air Flow Chart
TROUBLESHOOTING BC14E HOT AIR FLOW CHART S1#12 Mode Switch Contacts R202 closed for heat Temp Controller Contacts R205 closed for heat Contacts R201 R200 R200 Hot air relay Closed for hot air coil K2--- A K2--- B Hot air contactor Hot air contactor Primary FIGURE 2... -
Page 52: Bc14E Steam Flow Chart
BC14E BC14E STEAM FLOW CHART S1#8 S1#6 Mode Switch Contacts closed for steam R202 Temp Controller R205 R205 coil R204 Split load R201 in combi mode coil Contacts R201 closed for steam Steam High Limit Steam Contacts closed for steam R200 K3--- B Steam contactor... -
Page 53: Bc14E Combi Flow Chart
TROUBLESHOOTING BC14E COMBI FLOW CHART S1#18 S1#20 Mode Switch Combi R202 timer 25% Duty Temp Controller R204 Contacts open when filling Heat R205 Split load when steam on in combi mode R201 coil R201 R201 Contacts Closed in combi K2--- A M/R Steam High limit Hot air contactor... -
Page 54: Bc14E On Demand Flow Chart
BC14E BC14E ON DEMAND FLOW CHART S1#20 S1#12 S1#20 S1#6 Mode Switch On demand steam button Timer R202 coil R202 On demand steam. Contacts closed for steam R204 Split load R201 in combi mode coil R201 F6 M/R Steam High limit Steam Contacts R200... -
Page 55: Bc14E Flush Flow Chart
TROUBLESHOOTING BC14E FLUSH FLOW CHART Open at 176_F (80_C) Close at 149_F (65_C) Delime S15 Flush disable Open at 180_F (82_C) Close at 160_F (71_C) R206 R206 Flush Drain switch R203 coil R203 R203 90 sec R204 drain flush timer drain pump Flush fill FIGURE 6... -
Page 56: Bc14E Water Fill/Meat Probe
BC14E BC14E WATER FILL/MEAT PROBE S1#4 S1#10 S1#22 S1#8 P4 quench P12 cold plate Open 140_F (60_C) Open 95_F (35_C) Close 167_F (75_C) Close 122_F (50_C) Quench Cooling Fan 2 amp fuse 208V R204 R204 Hot Water Slow Fill Fast Fill FIGURE 7 8---9... -
Page 57: Bc14E Drain Assembly
TROUBLESHOOTING BC14E DRAIN ASSEMBLY Drain Vent EC/FAN WATER INPUT MOTOR COVER TOP UNIT DRAIN Drain is supplied EC/FAN by customer WATER INPUT MOTOR COVER BOTTOM UNIT DRAIN Drip pan drain NOTE: Connection is not vented to drain. FIGURE 8 8---10... -
Page 58: Bc14E Timer Settings
BC14E BC14E TIMER SETTINGS Remove dial section TOP VIEW meter SIDE Dial VIEW SIDE VIEW Inside if dial section A) Top view of Timer. NOTE: The L & R there are two timer adjustments per timer. B) Side view of timer. C) Side view with dial section removed. - Page 59 TROUBLESHOOTING This page intentionally left blank. 8---12...
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Page 60: Bc14E Installation
CHAPTER 9 BC14E INSTALLATION... -
Page 61: Installation Specifications
BC14E INSTALLATION SPECIFICATIONS NOTE: Electrical and water connections must be performed by a qualified installer only. MAXIMUM SHELF LOADING BC14E 100 lbs (45.5 Kg) TABLE 1 PLUMBING SPECIFICATIONS -- BC14E/AA Water Water Pressure 30 PSI (207 kPa) minimum 50 PSI (345 kPa) maximum Water Connection 3/4”... -
Page 62: Oven Location And Leveling
INSTALLATION RATINGS -- ELECTRIC APPLIANCES -- BC14E/AA and BC14EDS/AA Max Load (amps) Voltage Phase Motor 1/2HP 208-240VAC, 50/60 Hz 1/2HP 208-240VAC, 50/60 Hz 1/2HP 208-240VAC, 50/60 Hz 1/2HP 208-240VAC, 50/60 Hz 1/2HP 208-240VAC, 50/60 Hz 380/220 1/2HP 208-240VAC, 50/60 Hz 415/240 1/2HP 208-240VAC, 50/60 Hz 400/230... -
Page 63: Stacking
BC14E STACKING 3. Place the top appliance on the bottom ap- WARNING!! pliance. Be sure all four sides are flush. Stacking should be performed by quali- 4. Bolt the two appliances together using the fied installation personnel only. The ap- bolts provided. -
Page 64: Plumbing Connections
FIGURE 3 for connections. A shut off valve is to be the vent system is not purchased as an option provided adjacent to the oven. (R9381), Blodgett Combi recommends plumbing the oven as shown in FIGURE 4. WARNING!! The steam vent should be run to an open floor... -
Page 65: Door Adjustments
BC14E DOOR ADJUSTMENTS NOTE: When making door adjustments, always B.) Tap the hinge in or out as needed. Keep the adjust the hinge side first. hinges parallel as shown in FIGURE 5C. 1. Swing the door so it just hits or runs into the catch C.) Tighten the three allen head bolts on the left hand side of the door. - Page 66 INSTALLATION FINE TUNING A DOOR GASKET Use the following procedure if the door shuts well in both hot air and steam, but, you still have a little steam leaking from the door gasket: 1. Make a note where the steam is leaking. 2.